* [FIX+IMP] mass_mailing_list_dynamic: tests, icons, filters...
* Brand new icon
* Added feature of loading an existing filter as criteria
* Tests as SavepointCase for optimizing times
* Tests in post-install for avoiding errors on res.partner not null constraints
when several modules added them.
* Updated documentation.
* Fix mock in test for not commiting test data.
* [FIX] mass_mailing_list_dynamic: Wasn't able to create contacts in fully synced lists
Syncing context was being set in the wrong object. Added to test too.
* [FIX] mass_mailing_list_dynamic: Allow to write back vals from res.partner
Module mass_mailing_partner writes back certain values from partner to
mass_mailing_contact. Module should allow that write operation.
This new module avoids duplicates in mass mailing lists.
Now you cannot have 2 lists with the same name, and you cannot have the same
email repeated in a list.
This will avoid sending the same mail to a contact repeated times, which will
disturb him and most probably cause you to be blocked as spam.